(gdb) set sysroot “/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi”
(gdb)
(gdb)
(gdb) show sysroot
The current system root is “”/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi””.
(gdb) show solib-search-path
The search path for loading non-absolute shared library symbol files is “/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi”.
(gdb) bt
#0 in ?? ()
Backtrace stopped: not enough registers or memory available to unwind further
(gdb) info sharedlibrary
From To Syms Read Shared Object Library
No /lib/librt.so.1
No /usr/lib/libcrypto.so.1.0.2
No /lib/libpthread.so.0
No /usr/lib/libpaho-mqtt3as.so.1
No /lib/libuuid.so.1
No /usr/lib/libstdc++.so.6
No /lib/libgcc_s.so.1
No /lib/libc.so.6
No /lib/ld-linux-armhf.so.3
No /lib/libdl.so.2
No /usr/lib/libssl.so.1.0.2
No /lib/libm.so.6
No /lib/libnss_files.so.2
(gdb) show archi
The target architecture is set automatically (currently i386)
(gdb) set sysroot /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi
warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/librt.so.1': Shared library architecture unknown is not compatible with target architecture i386. warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/librt.so.1’: Shared library architecture unknown is not compatible with target architecture i386.
Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/librt.so.1…Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/.debug/librt-2.30.so…done.
done.
warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/libcrypto.so.1.0.2': Shared library architecture unknown is not compatible with target architecture i386. warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/libcrypto.so.1.0.2’: Shared library architecture unknown is not compatible with target architecture i386.
Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/libcrypto.so.1.0.2…Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/.debug/libcrypto.so.1.0.2…done.
done.
warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/libpthread.so.0': Shared library architecture unknown is not compatible with target architecture i386. warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/libpthread.so.0’: Shared library architecture unknown is not compatible with target architecture i386.
Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/libpthread.so.0…Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/.debug/libpthread-2.30.so…done.
done.
warning: File “/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/libthread_db-1.0.so” auto-loading has been declined by your
auto-load safe-path' set to "$debugdir:$datadir/auto-load". To enable execution of this file add add-auto-load-safe-path /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/libthread_db-1.0.so line to your configuration file "/home/meng/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/home/meng/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available. warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/libpaho-mqtt3as.so.1’: Shared library architecture unknown is not compatible with target architecture i386.
warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/libpaho-mqtt3as.so.1': Shared library architecture unknown is not compatible with target architecture i386. Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/libpaho-mqtt3as.so.1...Reading symbols from /opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/usr/lib/.debug/libpaho-mqtt3as.so.1.0...done. done. warning:
/opt/pancake-core-sdk/sysroots/armv7ahf-neon-poky-linux-gnueabi/lib/libuuid.so.1’: Shared library architecture unknown is not compatible with target architecture i386
。。。。
mVirtualBox:~/Share/2_files/coredump$ readelf -h core_homeauto
ELF Header:
Magic: 7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
Class: ELF32
Data: 2’s complement, little endian
Version: 1 (current)
OS/ABI: UNIX – System V
ABI Version: 0
Type: CORE (Core file)
Machine: ARM
Version: 0x1
Entry point address: 0x0
Start of program headers: 52 (bytes into file)
Start of section headers: 0 (bytes into file)
Flags: 0x0
Size of this header: 52 (bytes)
Size of program headers: 32 (bytes)
Number of program headers: 87
Size of section headers: 0 (bytes)
Number of section headers: 0
Section header string table index: 0
中间的错误是由于运行的coredump 文件与二进制文件不匹配。